ReferenceError()
Creates a new ReferenceError
object.
Also inherits instance properties from its parent Error
.
These properties are defined on ReferenceError.prototype
and shared by all ReferenceError
instances.
ReferenceError.prototype.constructor
The constructor function that created the instance object. For ReferenceError
instances, the initial value is the ReferenceError
constructor.
ReferenceError.prototype.name
Represents the name for the type of error. For ReferenceError.prototype.name
, the initial value is "ReferenceError"
.
Inherits instance methods from its parent Error
.
try {
let a = undefinedVariable;
} catch (e) {
console.log(e instanceof ReferenceError); // true
console.log(e.message); // "undefinedVariable is not defined"
console.log(e.name); // "ReferenceError"
console.log(e.stack); // Stack of the error
}
Creating a ReferenceError
try {
throw new ReferenceError("Hello");
} catch (e) {
console.log(e instanceof ReferenceError); // true
console.log(e.message); // "Hello"
console.log(e.name); // "ReferenceError"
console.log(e.stack); // Stack of the error
}
Specifications Browser compatibility
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